private bool ScanMultiLineRawStringLiteralLine(
int startingQuoteCount, StringBuilder indentationWhitespace)
{
TextWindow.AdvancePastNewLine();
indentationWhitespace.Clear();
ConsumeWhitespace(indentationWhitespace);
// after the whitespace see if this the line that ends the multiline literal.
var currentQuoteCount = ConsumeQuoteSequence();
if (currentQuoteCount >= startingQuoteCount)
{
// A raw string could never be followed by another string. So once we've consumed all the closing quotes
// if we have any more closing quotes then that's an error we can give a message for.
if (currentQuoteCount > startingQuoteCount)
{
var excessQuoteCount = currentQuoteCount - startingQuoteCount;
this.AddError(
position: TextWindow.Position - excessQuoteCount,
width: excessQuoteCount,
ErrorCode.ERR_TooManyQuotesForRawString);
}
// Done scanning lines.
return(false);
}
// We're not on the terminating line. Consume a normal content line. Eat to the end of line (or file in the
// case of errors).
while (true)
{
var currentChar = TextWindow.PeekChar();
if (IsAtEndOfText(currentChar))
{
this.AddError(TextWindow.Position, width: 0, ErrorCode.ERR_UnterminatedRawString);
return(false);
}
if (SyntaxFacts.IsNewLine(currentChar))
{
return(true);
}
if (currentChar == '"')
{
// Don't allow a content line to contain a quote sequence that looks like a delimiter (or longer)
currentQuoteCount = ConsumeQuoteSequence();
if (currentQuoteCount >= startingQuoteCount)
{
this.AddError(
position: TextWindow.Position - currentQuoteCount,
width: currentQuoteCount,
ErrorCode.ERR_RawStringDelimiterOnOwnLine);
return(false);
}
}
else
{
TextWindow.AdvanceChar();
}
}
}